Changed mechanism for coputing amount of memory used

diff --git a/util/LLgen/src/main.c b/util/LLgen/src/main.c
index 33020af..c25cff0 100644 (file)
--- a/util/LLgen/src/main.c
+++ b/util/LLgen/src/main.c
@@ -35,10 +35,12 @@ extern              comfatal();
 extern         copyfile();
 extern         install();
 extern char    *mktemp();
+extern char    *sbrk();
 
 main(argc,argv) register string        argv[]; {
        register string arg;
        string libpath();
+       char    *beg_sbrk;
 
        /* Initialize */
 
@@ -110,6 +112,9 @@ main(argc,argv) register string     argv[]; {
                argv++;
                argc--;
        }
+
+       if (verbose) beg_sbrk = sbrk(0);
+
        /*
         * Now check wether the sets should include nonterminals
         */
@@ -164,13 +169,11 @@ main(argc,argv) register string   argv[]; {
        UNLINK(f_temp);
        UNLINK(f_pars);
        if (verbose) {
-               extern char *sbrk(), *end;
-
                fprintf(stderr, "number of nonterminals: %d\n", nnonterms);
                fprintf(stderr, "number of tokens: %d\n", ntokens);
                fprintf(stderr, "number of term structures: %d\n", nterms);
                fprintf(stderr, "number of alternation structures: %d\n", nalts);
-               fprintf(stderr, "total memory used: %ld\n", (long)(sbrk(0) - (char *) &end));
+               fprintf(stderr, "total memory used: %ld\n", (long)(sbrk(0) - beg_sbrk));
        }
        exit(0);
 }